:root {
  --bg-base: #0E0B08;
  --bg-surface-2: #1A1A1A;
  --text-primary: #FFF4DB;
  --text-secondary: rgba(255, 244, 219, 0.70);
  --text-muted: rgba(255, 244, 219, 0.45);
  --border: rgba(255, 244, 219, 0.10);
  --border-subtle: rgba(255, 244, 219, 0.06);
  --gold: #FFD962;
  --gold-deep: #D4A820;
  --gold-border: rgba(255, 217, 98, 0.28);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: "Plus Jakarta Sans", sans-serif;
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-base); }
body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 60% 40% at 50% -10%, rgba(255,204,62,0.05) 0%, transparent 70%),
    radial-gradient(ellipse 80% 60% at 100% 100%, rgba(255,204,62,0.025) 0%, transparent 70%);
  background-attachment: fixed;
}

.shell { max-width: 640px; margin: 0 auto; padding: 64px 24px 96px; }

.eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold);
  margin: 0 0 16px;
}
.page-head h1 {
  font-family: var(--font-display); font-size: clamp(32px, 6vw, 48px);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1.05;
  margin: 0 0 16px; text-wrap: pretty;
}
.lede { font-size: 16px; color: var(--text-secondary); line-height: 1.5; margin: 0 0 32px; }

.version-toggle {
  display: inline-flex;
  margin: 0 0 20px;
  padding: 4px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  gap: 2px;
}
.version-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: transparent;
  border: 0;
  border-radius: 7px;
  padding: 10px 14px;
  min-height: 44px;
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
}
.version-btn:hover { color: var(--text-primary); }
.version-btn.is-active {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  color: #1a1410;
  font-weight: 600;
}
.version-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.lookup { display: flex; gap: 12px; flex-wrap: wrap; }
#wallet-input {
  flex: 1 1 280px; min-width: 0;
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.04em;
  padding: 14px 16px; background: var(--bg-surface-2); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: 10px;
  transition: border-color var(--transition-base);
}
#wallet-input:focus { outline: none; border-color: var(--gold); }
.cta {
  font-family: var(--font-sans); font-weight: 600; font-size: 13px; color: #1a1410;
  padding: 14px 22px; background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  border: 0; border-radius: 10px; cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: 0 6px 20px -6px rgba(255, 217, 98, 0.45);
}
.cta:hover { transform: translateY(-1px); }
.cta:active {
  transform: translateY(0);
  box-shadow: 0 3px 12px -6px rgba(255, 217, 98, 0.45);
}
.cta:focus-visible,
#contact-link:focus-visible,
#wallet-input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
.input-error { flex-basis: 100%; color: #ef9999; font-size: 13px; margin: 8px 0 0; }

.card {
  margin-top: 40px; padding: 28px;
  background: rgba(255, 244, 219, 0.02); border: 1px solid var(--border-subtle);
  border-radius: 14px; animation: card-in 700ms cubic-bezier(.16, 1, .3, 1);
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card-wallet {
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
  letter-spacing: 0.04em; word-break: break-all; margin: 0 0 24px;
}
.card-eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-muted); margin: 0 0 8px;
}
.headline-number {
  font-family: var(--font-display); font-size: clamp(36px, 8vw, 56px);
  font-weight: 700; letter-spacing: -0.02em; line-height: 1;
  color: var(--gold);
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-deep) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-variant-numeric: tabular-nums; margin: 0;
}
@media (forced-colors: active) {
  .headline-number {
    color: CanvasText;
    background: none;
    -webkit-text-fill-color: CanvasText;
  }
}
.headline-unit {
  font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.12em;
  color: var(--text-muted); margin-left: 8px;
}
.card-note { font-size: 14px; color: var(--text-secondary); margin: 16px 0 0; line-height: 1.5; }
.card-footnote { font-style: italic; color: var(--gold); font-size: 13px; margin: 12px 0 0; }
.breakdown { margin-top: 28px; border-top: 1px solid var(--border-subtle); padding-top: 24px; }
.breakdown-eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--text-muted); text-transform: uppercase; margin: 0 0 16px;
}
.breakdown-row { display: flex; justify-content: space-between; align-items: baseline; padding: 8px 0; }
.breakdown-row.is-total { border-top: 1px solid var(--border-subtle); margin-top: 8px; padding-top: 16px; }
.breakdown-label { font-family: var(--font-sans); font-size: 14px; color: var(--text-secondary); }
.breakdown-value { font-family: var(--font-mono); font-size: 14px; color: var(--text-primary); font-variant-numeric: tabular-nums; }
.breakdown-row.is-total .breakdown-value { color: var(--gold); font-weight: 600; }

.notice {
  margin-top: 40px; padding: 28px;
  background: rgba(255, 244, 219, 0.02); border: 1px solid var(--border-subtle);
  border-radius: 14px; color: var(--text-secondary); line-height: 1.5;
}
.notice strong { color: var(--text-primary); }
.notice a { color: var(--gold); }

.page-foot { margin-top: 64px; border-top: 1px solid var(--border-subtle); padding-top: 32px; }
.muted-mono {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--text-muted); margin: 0 0 8px;
}
.muted-mono a { color: var(--text-muted); text-decoration: underline; }
.muted-mono a[aria-disabled="true"] {
  color: rgba(255, 244, 219, 0.25); cursor: not-allowed;
  text-decoration: underline dotted; pointer-events: auto; /* keep clickable so JS can show inline error */
}
.contact-prompt { margin: 0 0 8px; }
.contact-wrap { margin: 0 0 8px; }
#contact-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--gold-border);
  border-radius: 8px;
  color: var(--gold);
  text-decoration: none;
  font-family: var(--font-sans);
  font-size: 14px;
}
#contact-link[aria-disabled="true"] {
  color: rgba(255, 244, 219, 0.35);
  border-color: rgba(255, 244, 219, 0.10);
  cursor: not-allowed;
  text-decoration: none;
}
.contact-hint { font-size: 11px; color: var(--text-muted); margin: 4px 0 0; }
.contact-error[hidden] { display: none; } /* outranks .contact-error{display:flex} */
.contact-error {
  display: flex; gap: 10px; align-items: flex-start;
  margin: 16px 0 0; padding: 14px 16px;
  background: rgba(239, 153, 153, 0.08);
  border: 1px solid rgba(239, 153, 153, 0.32); border-radius: 10px;
  color: #f4b8b8; font-family: var(--font-sans); font-size: 14px;
  line-height: 1.45; letter-spacing: 0;
  animation: banner-in 220ms cubic-bezier(.16,1,.3,1);
}
.contact-error::before {
  content: "⚠️"; font-size: 16px; line-height: 1.2; flex: 0 0 auto;
}
@keyframes banner-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.disclaimer { font-size: 11px; color: var(--text-muted); line-height: 1.5; margin: 24px 0 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
@media (max-width: 640px) {
  body { background-attachment: scroll; }
  .shell { padding: 40px 20px 72px; }
  .lede { font-size: 15px; margin: 0 0 28px; }
  .version-toggle { display: flex; width: 100%; margin: 0 0 16px; }
  .version-btn { flex: 1 1 50%; font-size: 12px; padding: 12px 10px; min-height: 48px; }
  .lookup { flex-direction: column; gap: 10px; }
  #wallet-input {
    flex: 1 1 auto; width: 100%;
    font-size: 16px; /* prevent iOS zoom-on-focus */
    padding: 14px 14px;
  }
  .cta { width: 100%; padding: 16px 22px; font-size: 14px; min-height: 48px; }
  .card { margin-top: 28px; padding: 22px 18px; border-radius: 12px; }
  .card-wallet { font-size: 12px; color: var(--text-secondary); margin: 0 0 18px; }
  .headline-unit { display: inline-block; margin-left: 6px; font-size: 13px; }
  .breakdown { margin-top: 22px; padding-top: 18px; }
  .breakdown-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
  }
  .breakdown-label { font-size: 13px; }
  .breakdown-value { font-size: 13px; word-break: break-word; }
  .notice { margin-top: 28px; padding: 22px 18px; border-radius: 12px; font-size: 14px; }
  .page-foot { margin-top: 48px; padding-top: 24px; }
  .muted-mono { font-size: 12px; }
  .disclaimer { font-size: 12px; line-height: 1.55; color: var(--text-secondary); margin: 20px 0 0; }
  .contact-prompt { margin: 0 0 8px; }
  .contact-wrap { margin: 8px 0; }
}

@media (max-width: 380px) {
  .shell { padding: 32px 14px 56px; }
  .card, .notice { padding: 18px 14px; }
  .headline-number { font-size: 34px; }
}